.head {
    display: flex;
    justify-content: space-between;
    font-size: 20px;
    font-weight: 700;
    position: sticky;
    top: 0;
    border-bottom: 1px solid rgb(131, 131, 131);
    height: 30px;
    background-color: aliceblue;
    z-index: 10;
}

body {
    background-color: rgb(241, 242, 246);
}
.icon-shouye{
    font-size: 28px !important;
}

.box{
    margin-top: 20px;
    background-color: white;
}
.box input{
    height: 20px;
    margin: 10px  0;
    border: 1px solid gray;
    background-color: gray;
    border-radius: 3px 3px;
}